BJB TC278 FR is a soft, 4 lb. water blown flexible foam with fire retardant properties. This product was developed due to the ongoing demand for fire retardant foams in the industries of movie special effects, theme parks, haunted houses and theatrical performance. Firmness of the foam can be controlled by mold temperature and the amount loaded in the mold. BJB TC278 is ideal for prototypes, prosthetics, medical training devices as well as movie and special effects prop creation. Comes in an easy 1:1 mix ratio, 16lb kit includes 8lb A and 8lb B.